Polyurethane doming resin Two part polyuthane Domg PU

CPU-76-118D can be applied to various substrates. Its applications include molding models, doming decals, nameplates and ornaments, and encapsulating electronic parts.

Pb below the limit, others not detected

* These items are provided as general information only. They are approximate valuesandare not considered partof the product specification.

CPU-76-118D is an excellent two-component polyurethane resin. It has high transparency and great adhesion to various substrates. Its durability is pretty impressive. It can withstand vicious surroundings, including cold, hot, dry or wet environments.

1. Keep the operation place as dustless as possible to gain products with better appearance. The ambient temperature is recommended at between 15C and 25C.

2. Calculate the needed amount in weight. Sequentially pour Part A and Part B into a clean and dry container. Unused components must be tightly closed to prevent contamination of dust and moisture from the air.The weight ratio of Part A to Part B is 1:1.

3. Immediately agitate the mixture with an electric stirrer or manually with a stirring blade for 30 seconds to 1 minute till it is well mixed.

4. Place the well blended mixture in a degassing equipment for 1 to 4 minutes.

5. Immediately start dispensing the mixture onto substrates.The operating time is about 15 to 30 minutes.Higher the ambient temperature and more the blended amount, the operating time would be shorter.

6. Put the coated substrates in an oven. Higher the oven temperature, they can be cured faster. Normally they can be cured in two hours at 80C. For other curing temperatures and periods, please refer to the following table. As therere always some tiny bubbles remaining in the mixture, a blast of hot air by a flame gun is helpful to eliminate residual bubbles near the surface.To reach full hardness, its recommended to cure it with 80C or higher temperature.

Notice: These values are based on the test of our present laboratory test specimens.

1. Please wear a mask of charcoal filter, gloves and goggles while operating. And maintain good ventilation.

2. In case contacting the resin, no matter which part of the body, please wash it with plenty of soap and water at once. Seek medical attention, if you feel unwell.

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